FVXX24 KNES 171908 VA ADVISORY DTG: 20190917/1908Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/863 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. RADIOSONDE. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 17/1856Z OBS VA CLD: SFC/FL200 N1917 W09911 - N1901 W09838 - N1859 W09837 - N1856 W09913 - N1917 W09911 MOV W 5-10KT FCST VA CLD +6HR: 18/0100Z SFC/FL200 N1921 W09918 - N1904 W09837 - N1859 W09835 - N1854 W09918 - N1921 W09918 FCST VA CLD +12HR: 18/0700Z SFC/FL200 NO ASH EXP FCST VA CLD +18HR: 18/1300Z NO ASH EXP RMK: INTERMITTENT SMALL PUFFS OF VA EVIDENT IN IR STLT AND VOLCAT PROD. VA NOT SEEN IN WEBCAM DUE TO WX CLDS. VA MOV TO W AND WNW OF SUMMIT. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20190918/0115Z